under a university of texas university of texas, university of missouri, shown steady at traffic control can be adding as much as 22%. i knowu e rok con , whe t er local businesses and consumers and say they must change the way they do business, how come we walk away from one of the largest opportunities we have to reduce fuel consumption andplut is that just because its government so we don't hold government to that standard? >> i believe what you prefer to her other strategies you can use to addresstransportation eesmv, ag tisarhehe partment of energy is that of lee with the department of transportation and others and addresses through clean -- >> what we do to local government us, ths like utthotaving one. why do we continue to not only pay for, not only allow, but pay for local government putting up four-way sto and city yields are not synchronizing traffic signs ororevne h wegivthir l government and state government as we are with auto manufacturers? >> certainly we can he a conversation about what the role of the federalgovernmentis isse t avenngvy ti o a rf years is working with s